Paper/patches/server/0964-Fix-creation-of-invalid-block-entity-during-world-ge.patch
Nassim Jahnke 6e71f41536
Updated Upstream (CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
65247583f SPIGOT-7857: Improve ItemMeta block data deserialization
05d80500d SPIGOT-7857: Fix spurious internal NBT tag when deserializing BlockStateMeta
cebb58e9a SPIGOT-7804: Fix written book serialization
efcdd5d38 SPIGOT-7794: Cancelling InventoryItemMoveEvent destroys items
b568ba572 SPIGOT-7789: Fix NPE in CraftMetaFirework applyToItem
f057cf449 Remove outdated build delay

Spigot Changes:
f6a48054 SPIGOT-7835: Fix issue with custom hopper settings
bb63b137 Rebuild patches
e1142b4d Rebuild patches
2024-08-24 11:23:57 +02:00

60 lines
4.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Pierpaolo Coletta <p.coletta@glyart.com>
Date: Sat, 30 Mar 2024 21:06:10 +0100
Subject: [PATCH] Fix creation of invalid block entity during world generation
diff --git a/src/main/java/net/minecraft/server/level/WorldGenRegion.java b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
index a59eece9c7a8c33cb8ce963906e993c3462684fb..386fbf79afe91af445f54aeab7d1296d1407a4d8 100644
--- a/src/main/java/net/minecraft/server/level/WorldGenRegion.java
+++ b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
@@ -323,7 +323,7 @@ public class WorldGenRegion implements WorldGenLevel {
return false;
} else {
ChunkAccess ichunkaccess = this.getChunk(pos);
- BlockState iblockdata1 = ichunkaccess.setBlockState(pos, state, false);
+ BlockState iblockdata1 = ichunkaccess.setBlockState(pos, state, false); final BlockState previousBlockState = iblockdata1; // Paper - Clear block entity before setting up a DUMMY block entity - obfhelper
if (iblockdata1 != null) {
this.level.onBlockStateChange(pos, iblockdata1, state);
@@ -339,6 +339,17 @@ public class WorldGenRegion implements WorldGenLevel {
ichunkaccess.removeBlockEntity(pos);
}
} else {
+ // Paper start - Clear block entity before setting up a DUMMY block entity
+ // The concept of removing a block entity when the block itself changes is generally lifted
+ // from LevelChunk#setBlockState.
+ // It is however to note that this may only run if the block actually changes.
+ // Otherwise a chest block entity generated by a structure template that is later "updated" to
+ // be waterlogged would remove its existing block entity (see PaperMC/Paper#10750)
+ // This logic is *also* found in LevelChunk#setBlockState.
+ if (previousBlockState != null && !java.util.Objects.equals(previousBlockState.getBlock(), state.getBlock())) {
+ ichunkaccess.removeBlockEntity(pos);
+ }
+ // Paper end - Clear block entity before setting up a DUMMY block entity
CompoundTag nbttagcompound = new CompoundTag();
nbttagcompound.putInt("x", pos.getX());
diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
index 744db9eec4f7bdeb32f83300960a7fce63b393d8..8de6ad8b131061b2dae440dff71e2e6e7af2de39 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
@@ -1071,9 +1071,14 @@ public class LevelChunk extends ChunkAccess {
if (this.blockEntity.getType().isValid(iblockdata)) {
this.ticker.tick(LevelChunk.this.level, this.blockEntity.getBlockPos(), iblockdata, this.blockEntity);
this.loggedInvalidBlockState = false;
- } else if (!this.loggedInvalidBlockState) {
- this.loggedInvalidBlockState = true;
- LevelChunk.LOGGER.warn("Block entity {} @ {} state {} invalid for ticking:", new Object[]{LogUtils.defer(this::getType), LogUtils.defer(this::getPos), iblockdata});
+ // Paper start - Remove the Block Entity if it's invalid
+ } else {
+ LevelChunk.this.removeBlockEntity(this.getPos());
+ if (!this.loggedInvalidBlockState) {
+ this.loggedInvalidBlockState = true;
+ LevelChunk.LOGGER.warn("Block entity {} @ {} state {} invalid for ticking:", new Object[]{LogUtils.defer(this::getType), LogUtils.defer(this::getPos), iblockdata});
+ }
+ // Paper end - Remove the Block Entity if it's invalid
}
gameprofilerfiller.pop();